Radiant heat panel

Claim 2

A ceiling or wall panel comprising two plasterboards in faceto-face relation and each comprising a gypsum core, an electrically conductive paper sheet between said boards and secured to one of them, and electric current supply means associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other, the electrical current supply means further including power connections lying in large part between the opposite faces of the other plasterboard, the power connections being connected with said conductive strips and having power input leads extended through the outer face of said other plasterboard.

Claim 3

A panel as defined in claim 1 in which the two plasterboards are adhesively secured to each other.

Claim 4

A ceiling or wall panel comprising two plasterboards in face-to-face relation and each comprising a gypsum core, an electrically conductive paper sheet between said boards and secured to one of them, and a pair of electrical power connections at least one of which is extended in the region between said spaced conductive strips and lies in large part between the opposite faces of the other plasterboard, the power connections being connected with said conductive strips and having power input leads extended through the outer face of said other plasterboard in positions adjacent to each other.

Claim 5

A ceiling or wall panel comprising two plasterboards in face-to-face relation and each comprising a gypsum core, an electrically conductive paper sheet between said boards and secured to one of them, and a pair of electrical power connections at least one of which is extended in the region between said spaced conductive strips and lies in large part between the opposite faces of the other plasterboard, the power connections being connected with said conductive strips and having power input leads extended through the outer face of said other plasterboard in positions adjacent to each other.

Claim 6

A ceiling or wall panel comprising two plasterboards in face-to-face relation and each comprising a gypsum core, an electrically conductive paper sheet between said boards and secured to one of them, spaced electrically conductive strips secured to the conductive sheet, and a pair of electrical power connections at least one of which is extended in the region between said spaced conductive strips, the other plasterboard having a channel formed in its surface facing said one plasterboard accommodating the electrical power connection in said region, and the power connections being connected with said conductive strips and having power input leads extended through the outer face of said other plasterboard.

Claim 7

A ceiling or wall panel comprising two plasterboards in face-to-face relation and each comprising a gypsum core, an electrically conductive paper sheet between said boards and secured to one of them, spaced electrically conductive strips secured to the conductive sheet, and a pair of electrical power connections at least one of which is extended in the region between said spaced conductive strips, the other plasterboard having a channel formed in its surface facing said one plasterboard accommodating the electrical power connection in said region, and the power connections being connected with said conductive strips and having power input leads extended through the outer face of said other plasterboard.

Claim 8

A ceiling or wall panel comprising first and second plasterboards secured together in face-to-face relation, each board comprising a gypsum core and paper facing sheets at both faces thereof, the facing sheet on the side of the first board facing the second board comprising an electrically conductive paper sheet directly bonded to the gypsum core, and electrical connections associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other.

Claim 9

A ceiling or wall panel comprising first and second plasterboards secured together in face-to-face relation, each board comprising a gypsum core and paper facing sheets at both faces thereof, the facing sheet on the side of the first board facing the second board comprising an electrically conductive paper sheet directly bonded to the gypsum core, and electrical connections associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other.

Claim 10

A panel as defined in claim 5 in which said connections are accommodated at least in large part between the opposite faces of said second plasterboard.

Claim 11

A ceiling or wall panel comprising an assembly of two plasterboards in face-to-face relation and each comprising a gypsum core, the board at the side of the assembly to be presented inwardly being thinner than the board at the side of the assembly to be presented outwardly, an electrically conductive paper sheet between said boards and secured to one of them, and electric current supply means associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other, the electrical current supply means further including power connections lying in large part between the opposite faces of the thicker plasterboard, the power connections being connected with said conductive strips and having power input leads extended through the outer face of said thicker plasterboard.

Claim 12

A ceiling or wall panel comprising an assembly of two plasterboards in face-to-face relation and each comprising a gypsum core, the board at the side of the assembly to be presented inwardly being thinner than the board at the side of the assembly to be presented outwardly, an electrically conductive paper sheet between said boards and secured to one of them, and electric current supply means associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other, the electrical current supply means further including power connections lying in large part between the opposite faces of the thicker plasterboard, the power connections being connected with said conductive strips and having power input leads extended through the outer face of said thicker plasterboard.

Claim 13

A panel as defined in claim 7 in which the conductive paper sheeT is secured to the thinner plasterboard.

Claim 14

A panel as defined in claim 7 in which the conductive paper sheet is directly bonded to the gypsum core of the thinner plasterboard.

Claim 15

A ceiling or wall panel comprising an assembly of two plasterboards in face-to-face relation and each comprising a gypsum core, the board at the side of the assembly to be presented inwardly being of standard 1/4 -inch thickness and the board at the side of the assembly to be presented outwardly being of standard 3/8 -inch thickness, an electrically conductive paper sheet between said boards, and electric current supply means associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other, the electrical current supply means further including power connections lying in large part between the opposite faces of the assembly.

Claim 16

A ceiling or wall panel comprising an assembly of two plasterboards in face-to-face relation and each comprising a gypsum core, the board at the side of the assembly to be presented inwardly being of standard 1/4 -inch thickness and the board at the side of the assembly to be presented outwardly being of standard 3/8 -inch thickness, an electrically conductive paper sheet between said boards, and electric current supply means associated with the conductive sheet comprising conductive strips secured to the conductive sheet along lines spaced from each other, the electrical current supply means further including power connections lying in large part between the opposite faces of the assembly.